Operation CHARM: Car repair manuals for everyone.

Signal Missing. Permanent Fault






Signal missing. Permanent fault

Checking for contact resistance and oxidation
Check the CD-ROM player connectors K and D and the RTI connectors A and D. Check for contact resistance and oxidation. Remedy if necessary. See Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- To access and replace the Road Traffic Information (RTI) control module, see Road traffic information module (RTI), replacing Road Traffic Information Module (RTI), Replacing
- To access and replace the CD-ROM player, see CD reader, RTI (road traffic information), replacing CD Reader, RTI (Road Traffic Information), Replacing
- To connect the breakout box, see Connecting the breakout box to the Road Traffic Information (RTI) control module Connecting the Breakout Box to the Road Traffic Information (RTI) Control Module
- For information about signals and connectors, see Signal specification, RTI Signal Specification.









Is the CD-ROM player OK?

Yes - Verification

No - Checking the wiring and component

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Checking the wiring and component
Check the wiring between CD-ROM player terminals #L1, #L2, #L4, #L5 and RTI control module terminals #D1, #D2, #D4 and #D5. Check for a short-circuit to ground. Check for an open-circuit.
Remedy as necessary.

Other information:
- To access and replace the Road Traffic Information (RTI) control module, see Road traffic information module (RTI), replacing Road Traffic Information Module (RTI), Replacing
- To access and replace the CD-ROM player, see CD reader, RTI (road traffic information), replacing CD Reader, RTI (Road Traffic Information), Replacing
- To connect the breakout box, see Connecting the breakout box to the Road Traffic Information (RTI) control module Connecting the Breakout Box to the Road Traffic Information (RTI) Control Module
- For information about signals and connectors, see Signal specification, RTI Signal Specification and Signal specification, RTI Signal Specification
- Checking wiring and terminals Checking Wiring And Terminals









Select "Continue" when the fault has been remedied.

Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
- Activate System test function to test CD-ROM player, see System Test System Test.
Check if CD-ROM player is OK or not. If the CD-ROM player functions OK is displayed.





Is the CD-ROM player OK?

Yes - Verification completed

No - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking for contact resistance and oxidation

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